linux-kernel - Re: [PATCH] tracing: Merge separate resize loops

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Date:	Fri, 18 May 2012 21:57:12 -0700
From:	Vaibhav Nagarnaik <vnagarnaik@...gle.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Laurent Chavey <chavey@...gle.com>,
	Justin Teravest <teravest@...gle.com>,
	David Sharp <dhsharp@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tracing: Merge separate resize loops

On Fri, May 18, 2012 at 8:19 PM, Steven Rostedt <rostedt@...dmis.org> wrote:
> But if there were updates on a offline CPU, then the original patch
> would not have set this to zero at the end.

Right.

> Or are you just saying that we don't need to set this to zero, as it
> isn't used later on? And when we re-enter this function (where its the
> only place, and what it calls, that uses nr_page_to_update), it gets
> reset.
>
> IOW, this reset is just a "clean up" of the nr_pages_to_update. Right?

Yes, that's exactly right and a much better way to put it :)

It's just a reset which isn't strictly needed since nr_pages_to_update
gets initialized before it is used and isn't used after resize
operation.


Vaibhav Nagarnaik
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